/Engine/Source/Runtime/RenderCore/Public/IRenderCaptureProvider.h
Start capturing rendering information. Call from render thread only.
void BeginCapture ( [FRHICommandListImmediate](API\Runtime\RHI\FRHICommandListImmediate) * InRHICommandList, uint32 InFlags, [FString](API\Runtime\Core\Containers\FString) const & InDestFileName )